Finding the Third Proportional to 859,686 and 1,789,146

Step by Step Solution

1. Step 1: Write the proportion equation
   859,686 : 1,789,146 = 1,789,146 : x
2. Step 2: Convert to fraction form
   859,686/1,789,146 = 1,789,146/x
3. Step 3: Cross multiply
   859,686x = 1,789,146 × 1,789,146
4. Step 4: Simplify right side
   859,686x = 3,201,043,409,316
5. Step 5: Solve for x
   x = 3,201,043,409,316/859,686
6. Step 6: Final answer
   x = 3,723,503.01